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Statement 58.5 Carat Peridot Bracelet with Diamonds in 18k Solid White Gold
By VR Jewels
Located in New York, NY
, weighing 58.5 carats and 54 pieces of diamonds weighing 1 carat. It measures 7.5 inches long in length
Category

21st Century and Contemporary American Contemporary Tennis Bracelets

Materials

Diamond, Peridot, Gold, 18k Gold, White Gold

61.26 Carat Kunzite and Diamond Pendant Enhancer in 18k White and Yellow Gold
By Sarosi By Timeless Gems
Located in Los Angeles, CA
brilliant cut diamonds, 1.82 carats total weight
Category

21st Century and Contemporary North American Artisan Necklace Enhancers

Materials

Diamond, Kunzite, White Diamond, 18k Gold, White Gold, Yellow Gold, Gold

GIA 27.49 Carat Cabochon Tourmaline Rubellite Diamond Platinum Cocktail Ring
Located in Stamford, CT
1950's Beautiful sugar loaf cut red Tourmaline Rubellite and diamond cocktail ring. This stunning
Category

Mid-20th Century Cocktail Rings

Materials

Diamond, Tourmaline, Platinum

Yellow Gold Blue Topaz Amethyst Mother of Pearl Pendant - 10k Cushion 2.15ctw
Located in Greensboro, NC
: Routinely Enhanced Carat(s): 1.95ct Cut: Cushion Natural Amethyst Carat(s): .20ct Cut: Pear Color: Purple
Category

21st Century and Contemporary Pendant Necklaces

Materials

Amethyst, Pearl, Topaz, Blue Topaz, 10k Gold, White Gold, Yellow Gold

GIA Certified Natural Ruby and Diamond 6.10 Carat 18K Yellow Gold Ballerina Ring
Located in Tustin, CA
each and weigh approximately .40 carats. (8) Round brilliant diamonds measure 2.0 mm each and weigh
Category

Vintage 1980s American Contemporary Cocktail Rings

Materials

White Diamond, Ruby, Diamond, 18k Gold, Yellow Gold

Large 3.50 Carat Tanzanite and Diamond Cocktail Ring in 18K White Gold
Located in Honolulu, HI
Purple Shape: Cushion Cut: Checkers Total Carat Weight: Approximtaley 3.50 Carats Diamonds: 16 Round
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Tanzanite, Paraiba, 18k Gold, White Gold

Peter Suchy EGL 2.06 Carat Fancy Yellow Diamond Halo Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
stone is a natural fancy yellow cushion cut diamond of rectangular shape with squared off corners. Top
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Yellow Diamond, Platinum

Art Dec 5.63 Carat Ceylon Sapphire and 1.16 Carat Diamond Ring in Platinum
Located in Jesmond, Newcastle Upon Tyne
Cut Cushion Content 5.63 carats Dimensions 12.37mm (length) x 7.30mm (width) x 6.07mm (depth
Category

Vintage 1930s Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

GRS Certified 5.85 Carat Emerald and 0.40 Carat Diamond Ring in 14K White Gold
Located in Warszawa, PL
centerpiece is a natural emerald weighing approximately 5.85 carats, cut in a cushion cabochon shape measuring
Category

Vintage 1920s French Art Deco Cocktail Rings

Materials

Diamond, Emerald, White Gold

Non Heated 1.03 Carat Thai Ruby and Diamond Cluster Ring in Yellow Gold
Located in Jesmond, Newcastle Upon Tyne
the shank. Ruby Quality Origin Thailand (Siam) Cut Cushion Content 1.03 carats Dimensions 6.70mm x
Category

Vintage 1930s Unknown Cluster Rings

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

18K Tiffany Co Sapphire Diamond Ring GIA Unheated Vintage VS Fine 6.12 Carats
Located in Sylvania, GA
Natural (UNHEATED) Transparent Blue Sapphire Approx- 5.10 Carats 16 Round Brilliant European Cut Diamonds
Category

20th Century Cocktail Rings

Materials

Blue Sapphire, Sapphire, Diamond, White Gold, Yellow Gold, 18k Gold, Gold

Edwardian French 18k/Platinum Diamond Earrings
Located in Narberth, PA
single cut diamonds have an approximate total carat weight of .05ctw. Each earring then features a larger
Category

Vintage 1910s Edwardian Drop Earrings

Materials

Diamond, Gold, Platinum

Victorian Engagement Ring 14k Gold Silver Old Mine Cut Diamond
Located in Beverly Hills, CA
A Victorian-era engagement ring featuring a remarkable 1.75-carat old mine cut diamond. The cushion
Category

Early 20th Century Victorian Engagement Rings

Materials

Diamond, Yellow Gold, Silver, 14k Gold

Engraved Cushion Shape Natural Aquamarine Blue Sapphire Oval Cab Yellow Gold
By Tutti Frutti Jewellery
Located in Bangkok, TH
. and weighing 54 Carats with a nice Oval Blue Sapphire Cabochon measuring 6 mm x 8 mm set in 14 kt
Category

Vintage 1980s Thai Contemporary Cocktail Rings

Materials

Aquamarine, 14k Gold, Yellow Gold

6.25 Carat Red Spinel Topaz Diamond Earrings, 18K Rose Gold, Austy Lee
By Austy Lee
Located in Hong Kong, HK
diamond radiates brilliance, framed by four cushion‑cut red spinels that add a vivid burst of color
Category

21st Century and Contemporary Hong Kong Modern Dangle Earrings

Materials

Diamond, Spinel, Topaz, 18k Gold, Rose Gold, Rhodium

4 Carat Fancy Yellow Diamond Floral Cluster Ring 22K 18K Gold, GIA Report
Located in New York, NY
Pear-Shaped Colorless Diamonds, totaling approximately 2.33 carats, along with 8 Rose-Cut Marquise
Category

21st Century and Contemporary American Art Nouveau Cocktail Rings

Materials

White Diamond, Yellow Diamond, 18k Gold, White Gold, Yellow Gold, 22k Gold

AGL 18.92 Carat Black Opal with 25.94 Carat Tsavorite and Diamonds in Platinum
By Kiersten Elizabeth
Located in Southport, CT
5.31 Carats (68) Round Brilliant Cut Diamonds Pendant Length: 1 5/8" Chain Length: 20" Drop from
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Diamond, Opal, Tsavorite, Platinum

14K White Gold 1.00 Carat Diamond Vintage Ring
Located in New York, NY
cushion cut in the midst of the ring, this piece is embellished with prong-set princess and round cut
Category

21st Century and Contemporary Indian Contemporary Fashion Rings

Materials

Diamond, White Diamond, 14k Gold, White Gold

14K White Gold 1.00 Carat Diamond Vintage Ring
14K White Gold 1.00 Carat Diamond Vintage Ring
From $1,760 Sale Price / item
20% Off
18.80 Carat Yellow Sapphire Feather Brooch with Diamonds in 14 Karat Rose Gold
Located in Scottsdale, AZ
gold. This unique brooch features a stunning 18.80 carat vibrant yellow cushion cut sapphire at its
Category

21st Century and Contemporary Unknown Contemporary Brooches

Materials

Diamond, Yellow Sapphire, Gold, 14k Gold, Rose Gold, White Gold, Yellow ...

Art Deco Diamond Ring .46ct G/SI1 EGL Old Mine Cushion Original 1920 s 18K
Located in Dearborn, MI
Diamond 18K White Gold Featuring a Stunning .40ct G/SI1 Natural Mined Old Mine Cushion Cut Diamond
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond

Suzy Levian 14 Karat White Gold Oval-Cut Pink Ceylon Sapphire and Diamond Ring
By Suzy Levian
Located in Great Neck, NY
Weight: 0.92 Carats Gender: Female Diamond Cut: Round Jewelry Setting: Prong Ring Style: Anniversary
Category

21st Century and Contemporary Hong Kong Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Pink Sapphire, Gold, 14k Gold, White Gold

14K Yellow Gold Tanzanite Diamond Ring
Located in Queens, NY
weighing 2.50 carats, further adorned with 2 prong set marquise brilliant cut and 8 bead set round
Category

21st Century and Contemporary Contemporary Three-Stone Rings

Materials

Diamond, Tanzanite, 14k Gold, Yellow Gold

Antique 1880s 1.12 Carat Diamond and Emerald Yellow Gold Silver Set Twist Ring
Located in Jesmond, Newcastle Upon Tyne
embellished further with seven cushion cut and Old European round cut diamonds, graduating in size. The
Category

Antique 1880s Unknown Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold, Silver

Victorian Ruby and 2.13 Carat Diamond Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
Quality Origin Myanmar (Burma) Cut Cushion/Round Faceted Content 0.75 carat Diamond Quality Colour
Category

Antique 1890s Unknown Victorian Cocktail Rings

Materials

Diamond, Ruby, Yellow Gold

Domed Diamond Cocktail Ring
Located in Darnestown, MD
banding. The ring has a total diamond weight of approximately 1.2 carats; stones are SI 1. The ring is
Category

Vintage 1960s Italian Modern Dome Rings

Materials

Diamond, 18k Gold

C. Dunaigre 3.65 Ct. Minor Oil Emerald Diamond Necklace
Located in Chicago, IL
-cut emerald Sapphire weighing 3.65 carats Diamonds weighing a total of approximately 8 carats
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Emerald, Platinum

Steven Battelle 1.0 Carats Yellow Diamond 18K Gold Ring
By Steven Battelle
Located in Soquel, CA
A lustrous, variegated 6 x 8 mm cushion shaped rose-cut yellow diamond is set vertically surrounded
Category

21st Century and Contemporary Balinese Contemporary Cocktail Rings

Materials

Yellow Diamond, 18k Gold

Elegant Edwardian GIA Diamond 3 Stone 4 Carat Engagement Ring
Located in Santa Barbara, CA
Diamond Weight 4.03 Central Diamond: Carat Weight: 1.45 Cut: Old European Color: G Clarity: SI2 Accent
Category

Antique Early 1900s Edwardian Dome Rings

Materials

Diamond, Platinum

7.10 Ct Ceylon Sapphire Diamond Platinum Antique Ring
Located in Chicago, IL
carats. Combined diamond weight is about 1 carat. The diamond halo measurers 18 x 16 mm (3/4 x 5/8 in
Category

Vintage 1910s Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Victorian 18k Diamond Floral Motif Pendant
Located in Narberth, PA
central mine cut cushion cut diamond held within an eight-prong setting. The pendant also features 12
Category

Antique 1880s Victorian Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Steven Battelle 2.3 Carats Black Diamond 18K Gold Ring
By Steven Battelle
Located in Soquel, CA
An 8 x 10 mm brown-black cushion shaped rose-cut diamond is set vertically surrounded by a double
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Black Diamond, 18k Gold

Victorian 14k Diamond Enamel Navette Ring
Located in Narberth, PA
centerpiece. The diamonds, which vary slightly in size, are all old cushion cuts, and are held within shared
Category

Antique 1880s Victorian Cocktail Rings

Materials

Diamond, Gold, 14k Gold, Yellow Gold, Enamel

Fancy Yellow Diamonds Cluster Dangle White Gold Earrings
Located in London, GB
Stones: 8 Yellow Diamonds • Cut: Square Cushion • Total Carat Weight: 2ct approx. • Clarity: VS Other
Category

2010s Dangle Earrings

Materials

Diamond, White Diamond, Yellow Diamond, 18k Gold, White Gold

18K White Gold Multicolored Stone Diamond Bracelet
Located in Queens, NY
approx. 1.00 carat, further adorned with 109 prong set round brilliant cut diamonds weighing a total of
Category

Late 20th Century Contemporary Modern Bracelets

Materials

Diamond, Emerald, Sapphire, Tanzanite, 18k Gold, White Gold

Antique Platinum Diamond Brooch 1.24ct
Located in Laguna Beach, CA
weighs 9 grams. The center diamond is an antique cushion cut, H color, i2 clarity, 1.24 carats. The side
Category

Early 20th Century Brooches

Materials

Diamond, Platinum

5.10 Carat No Heat Ceylon Pink Sapphire East West Floating Necklace
By Gad Co.
Located in Miami, FL
GRS certified 5.10 carat no heat cushion cut Ceylon origin pink sapphire necklace. The pink
Category

21st Century and Contemporary Sri Lankan Contemporary Pendant Necklaces

Materials

Diamond, Ruby, Pink Sapphire, Gold, 18k Gold, Yellow Gold

18 Carat Iberian Cluster ring with Diamonds and Cabochon Ruby
Located in Baltimore, MD
intricate hand gold-work and the age of the ring. Small cushion cut diamonds are set within each of the 8
Category

Antique 1790s Spanish Baroque Cluster Rings

Materials

Diamond, Ruby, 18k Gold

Art Deco Diamond Necklace Bracelets Platinum Choker Interchangeable
Located in Beverly Hills, CA
diamonds are Old European and old cushion cuts, total weight approximately 26.86 carats. The two largest
Category

Early 20th Century French Art Deco Drop Necklaces

Materials

Diamond, Platinum

French 1960s Natural Blue Zircon Diamonds Platinum Rectangular Ring
Located in Poitiers, FR
with 8/8 cut diamonds held in place by claws. In the center, a large natural blue cushion-cut zircon is
Category

Vintage 1960s French Retro Engagement Rings

Materials

Diamond, White Diamond, Zircon, Blue Zircon, Platinum

Spectra Fine Jewelry Certified 43.22 Carat Ceylon Sapphire Diamond Ring
By Spectra Fine Jewelry
Located in New York, NY
A fabulous cocktail ring embellished with a cushion sugar-loaf cut sapphire weighing 43.22 carats
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Emilio Jewelry Certified 4.90 Carat Kashmir Sapphire Ring
By Emilio!
Located in New York, NY
totaling approximately 0.31 carats, 8 fancy-cut white diamonds totaling approximately 1.52 carats, 58 round
Category

21st Century and Contemporary Three-Stone Rings

Materials

Sapphire

Antique French Diamond and Ruby Ring
Located in London, GB
. The focal point of the ring is a cushion cut diamond that sits in the centre and is an exceptional
Category

Antique 1880s French Engagement Rings

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold

4 Carat Colombian Emerald Diamond Platinum-Topped Gold Pendant, circa 1910
Located in Bay Harbor Islands, FL
diamonds. In the center sits a square cushion cut Colombian emerald weighing over 4 carats. It has an AGL
Category

Vintage 1910s Unknown Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold, Platinum

Gold Flush Set Ring with Diamond and Ruby
Located in Amsterdam, NL
purplish-red ruby (unheated circa 1.68 carat Thailand origin) on each side is a carré cut diamond in a
Category

Vintage 1960s French Band Rings

Materials

Diamond, Ruby, Gold, 18k Gold

Ruby and Diamond Halo Ring in Platinum
Located in Coral Gables, FL
Platinum ring featuring a 0.74 carat cushion cut ruby surrounded by 8 round brilliant cut diamonds
Category

2010s Cluster Rings

Materials

Diamond, Ruby, Platinum

Diamond Emerald Ring 14k Gold 2.01 TCW Women Certified
Located in Brooklyn, NY
: 7.48 x 6.94 x 4.44 mm 8 Round Brilliant Diamonds: 0.16 Ctw (H-I/SI-I) Total Carat Weight: 2.01 Ring
Category

2010s American Modern Wedding Rings

Materials

Emerald, Diamond, 14k Gold, Yellow Gold

1940s Ruby and Diamond Rose Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
. Ruby Quality Colour Red Cut Cushion Content 0.30 carat Dimensions 3.81mm x 3.40mm x 2.78mm Diamond
Category

Vintage 1940s Unknown Band Rings

Materials

Diamond, Ruby, Rose Gold, 18k Gold

6.19 Carat No Oil Colombian Emerald Ring AGL Certified
Located in Miami, FL
with a wide spread that faces up like a 8 or 9 carat stone. A true one of one. Set with 4 pear cut
Category

1990s Contemporary Fashion Rings

Materials

Diamond, Emerald, Gold, 18k Gold, White Gold, Yellow Gold

4.50 Carat Emerald and Diamond Ring in 18 Karat White Gold
Located in Lucerne, CH
approximately 4.50 carats. The ring shoulders are set with 8 baguette shaped diamonds of G/H colour and vs
Category

Late 20th Century Unknown Modern Cocktail Rings

Materials

Diamond, Emerald, Gold, 18k Gold, White Gold

Victorian 18k/Sterling Silver GIA No Heat Ceylon Sapphire Diamond Ring
Located in Narberth, PA
, which weighs approximately 3.75ct. It is flanked on both sides by two old mine cut diamonds, which weigh
Category

Antique 1880s Victorian Three-Stone Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold, Sterling Silver

Antique 2.20ct Sapphire and 0.72ct Diamond, 18ct White Gold Trilogy Ring
Located in Jesmond, Newcastle Upon Tyne
jewelry. Sapphire Quality Colour Blue Cut Cushion Content 2.20 carats Dimensions 7.41mm (length) x 7.74mm
Category

20th Century Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

20th Century Diamonds 18 Karat Yellow Gold Wedding Ring
Located in Poitiers, FR
ring set with 8 cushion-cut diamonds. Total diamond weight : 0.50 carat approximately. Height : 4.1 mm
Category

20th Century French Belle Époque Wedding Rings

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold

18 Karat Gold Victorian Ruby Diamond Starburst Locket
Located in Los Angeles, CA
carat red ruby set into a starburst of 8 Rose Cut diamonds weighing approximately 0.10 carats in total
Category

Antique 1890s Unknown Victorian Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Victorian 1.23 CTW Emerald Diamond 14 Karat Yellow Gold Antique Halo Ring
Located in Philadelphia, PA
Centering an antique cut emerald weighing approximately 0.43 carats total - transparent medium
Category

Antique 1870s Victorian Engagement Rings

Materials

Diamond, Emerald, Gold, 14k Gold, Yellow Gold

Suzanne Belperron Aquamarine, Ruby and Diamond Brooch, 18k
By Suzanne Belperron
Located in New York, NY
large, emerald-cut aquamarine weighs appx. 52.25 carats, the pear-shaped aquamarines weigh appx. 7.35
Category

Vintage 1950s Brooches

Materials

Aquamarine, Diamond, Ruby

Madagascan Sapphire and Diamond Ring in Platinum - Antique
Located in Jesmond, Newcastle Upon Tyne
diamonds and blend seamlessly with the plain hallmarked ring shank. This stunning cushion cut engagement
Category

Vintage 1930s Unknown Engagement Rings

Materials

Diamond, Sapphire, Platinum

Antique Art Deco Sapphire Diamond 3-Stone Filigree Engagement Ring
Located in Santa Barbara, CA
Weight: 0.70 Cut: Antique Cushion Color: bluish Violet Clarity: Transparent Accent Diamonds: 2 Old
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

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Cushion Cut Diamond 8 Carat For Sale on 1stDibs

Find the exact cushion cut diamond 8 carat you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and Platinum — can elevate any look. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect cushion cut diamond 8 carat among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. Creating a cushion cut diamond 8 carat has been a part of the legacy of many jewelers, but those produced by Single Stone, Roman Malakov and Mark Broumand are consistently popular. See these pages for a cushion cut iteration of this accessory, while there are also antique cushion cut cut and round cut cut versions available here, too. Most of our cushion cut diamond 8 carat for sale are for women, but there are 469 pieces available to browse for men.

How Much is a Cushion Cut Diamond 8 Carat?

The price for a cushion cut diamond 8 carat starts at $350 and tops out at $2,895,000 with these rings, on average, selling for $15,106.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.